package com.shadowtorcher.soulknife.util;
/*
 * Copyright (C)  li, Shadow Torcher project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import com.shadowtorcher.soulknife.parser.SoulKnifeConfig;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;

public class Connecter {
    private static Connection connection;

    private Connecter() {

    }

    public synchronized static Connection getConnection() {
        if (connection == null) {
            try {
                Class.forName(SoulKnifeConfig.SqlDriver);
                String url = SoulKnifeConfig.Host + ":" + SoulKnifeConfig.Port + "/" + SoulKnifeConfig.Schemas;
                System.out.println(new SoulKnifeConfig().toString());
                Thread.sleep(5);
                connection = DriverManager.getConnection(
                        url,
                        SoulKnifeConfig.Username,
                        SoulKnifeConfig.Password);
            } catch (ClassNotFoundException | SQLException | InterruptedException e) {
                e.printStackTrace();
                System.exit(1);
            }
        }
        return connection;
    }
}
